yay/callbacks.go
2018-04-17 18:01:34 +01:00

88 lines
1.6 KiB
Go

package main
import (
"bufio"
"fmt"
"os"
"strconv"
alpm "github.com/jguer/go-alpm"
)
func questionCallback(question alpm.QuestionAny) {
qi, err := question.QuestionInstallIgnorepkg()
if err == nil {
qi.SetInstall(true)
}
qp, err := question.QuestionSelectProvider()
if err == nil {
size := 0
qp.Providers(alpmHandle).ForEach(func(pkg alpm.Package) error {
size++
return nil
})
fmt.Print(bold(cyan(":: ")))
str := bold(fmt.Sprintf(bold("There are %d providers available for %s:"), size, qp.Dep()))
size = 1
var db string
qp.Providers(alpmHandle).ForEach(func(pkg alpm.Package) error {
thisDb := pkg.DB().Name()
if db != thisDb {
db = thisDb
str += bold(cyan("\n:: ")) + bold("Repository "+db+"\n ")
}
str += fmt.Sprintf("%d) %s ", size, pkg.Name())
size++
return nil
})
fmt.Println(str)
for {
fmt.Print("\nEnter a number (default=1): ")
if config.NoConfirm {
fmt.Println()
break
}
reader := bufio.NewReader(os.Stdin)
numberBuf, overflow, err := reader.ReadLine()
if err != nil {
fmt.Println(err)
break
}
if overflow {
fmt.Println("Input too long")
continue
}
if string(numberBuf) == "" {
break
}
num, err := strconv.Atoi(string(numberBuf))
if err != nil {
fmt.Printf("%s invalid number: %s\n", red("error:"), string(numberBuf))
continue
}
if num < 1 || num > size {
fmt.Printf("%s invalid value: %d is not between %d and %d\n", red("error:"), num, 1, size)
continue
}
qp.SetUseIndex(num - 1)
break
}
}
}